V-57
C
ONTROL
S
YSTEMS
4) Communication wiring length
Maximum communication wiring length is 1000m between the centralized controller to the most remote interface
module.
① + ➁ + ➂ + ➃
<
1000m
5) Precaution on wiring with interface modules
Each connection between the centralized controller and the interface modules must be made using the separate
communication wires to prevent crosstalk.
1
2
3
4
4-wire line
2-wire line
2-wire line
05-2_control systems(046~081) 3/6/08 14:02 Page 57
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